APA (7th ed.) Citation

Shreves, R. (2011). Drupal 7 themes: Create new themes for your Drupal 7 site with a clean layout and powerful CSS styling. Packt Open Source Pub.

Chicago Style (17th ed.) Citation

Shreves, Ric. Drupal 7 Themes: Create New Themes for Your Drupal 7 Site with a Clean Layout and Powerful CSS Styling. Birmingham, U.K: Packt Open Source Pub, 2011.

MLA (9th ed.) Citation

Shreves, Ric. Drupal 7 Themes: Create New Themes for Your Drupal 7 Site with a Clean Layout and Powerful CSS Styling. Packt Open Source Pub, 2011.